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Kernel/Interrupts: Return boolean on whether we handled the interrupt

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If we are in a shared interrupt handler, the called handlers might
indicate it was not their interrupt, so we should not increment the
call counter of these handlers.
This commit is contained in:
Liav A 2021-06-05 09:00:18 +03:00 • committed by Andreas Kling
parent 7a6d5a7b8b
commit b91df26d4a
43 changed files with 125 additions and 71 deletions
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6
Kernel/Net/E1000NetworkAdapter.cpp
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@ -230,12 +230,15 @@ UNMAP_AFTER_INIT E1000NetworkAdapter::~E1000NetworkAdapter()
{
}
void E1000NetworkAdapter::handle_irq(const RegisterState&)
bool E1000NetworkAdapter::handle_irq(const RegisterState&)
{
u32 status = in32(REG_INTERRUPT_CAUSE_READ);
m_entropy_source.add_random_event(status);
if (status == 0)
return false;
if (status & INTERRUPT_LSC) {
u32 flags = in32(REG_CTRL);
out32(REG_CTRL, flags | ECTRL_SLU);
@ -253,6 +256,7 @@ void E1000NetworkAdapter::handle_irq(const RegisterState&)
m_wait_queue.wake_all();
out32(REG_INTERRUPT_CAUSE_READ, 0xffffffff);
return true;
}
UNMAP_AFTER_INIT void E1000NetworkAdapter::detect_eeprom()